Open Positions

Build38 is a young company with its head office in Munich and subsidiaries in Spain and Singapore. We mix the fresh approach of a new venture with reliable and market proven core technology. We aim to extend the countless users of our technology globally. Become part of our global team of developers, product and business professionals. We are curious to meet you and your vision of mobile security. Currently we have open positions at the development team in Spain. You think, you would be a good fit? No cover letter needed. Just contact Joaquín at the Barcelona office.

We are looking for a Java Software Engineer to join our team. You will be involved in the entire platform stack, which is a distributed system composed of dozens of modules, written mostly in Java 7, using frameworks such as SpringBoot, Angular, hibernate, Apache Tomcat…. You will also develop high-quality code for our existing and new software products, with high availability and scalability standards, frequent releases thanks to CI and automated deployment.

Your day-to-day will consist of

  • Developing new components of a micro-service oriented architecture in HA
  • Working with the newest technologies and languages such as functional-style Java 8
  • Identifying and communicating improvements that increase performance, scalability and software quality
  • Delivering tested quality software after every 2-week sprint, using Scrum methodology
  • Work in own product development and internal improvement

What we expect from you

  • Computer Science degree or similar
  • Strong background in Java (5+ years of experience with web-based applications)
  • Spring, Spring Security, SpringBoot
  • Hibernate
  • Knowledge of software best practices like TDD, refactoring, clean code and DDD
  • Knowledge of a SQL or any relational database
  • Team-player: you are open to ego-free discussions
  • Automation-lover: you hate wasting your time in repetitive tasks, and trust Jenkins to do them for you
  • Scout’s Honour mindset: always leave the code cleaner than you found it


  • Basic Crypto knowledge
  • Knowledge of openssl
  • Experience working with HSMs (Extra points)

Thinking about joining Build38 in Barcelona?
  1. Join the club - Barcelona is the Nr. 1 hotspot for developers in Europe
  2. Be there right from the start - Build38 is a thriving global startup
  3. Be inspired by an epic work space - Work close to the sea at a downtown office with historic views

Build38 Germany

Local Time

Grafinger Str. 6, 81671 Munich Germany
Dr. Christian Schläger & Team

Build38 Iberia

Local Time

Carrer Aragó 383, 08009 Barcelona
Joaquín M. Fernández Barreiro & Team

Build38 Asia Pacific

Local Time

1 North Bridge Road, #08-08. 179094. Singapore
Pedro Hernández & Team